Circular saw



FIG. 1 is a perspective view of a circular saw in accordance the present invention.

FIGS. 2 and 3 are opposite elevational side views of the circular saw seen in FIG. 1.

FIGS. 4 and 5 are elevational front and back views of the circular saw; and,

FIGS. 6 and 7 are top and bottom plan views of the circular saw. 

The ornamental design for a circular saw, as shown. 